Home / 14,386.76-21,543.36-11,469.32

Finding the Fourth Proportional to 14,386.76, 21,543.36 and 11,469.32

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Solution

The fourth proportional to 14,386.76, 21,543.36 and 11,469.32 is: 17,174.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.76 : 21,543.36 = 11,469.32 : x
  2. Step 2: Convert to fraction form
    14,386.76/21,543.36 = 11,469.32/x
  3. Step 3: Cross multiply
    14,386.76x = 21,543.36 × 11,469.32
  4. Step 4: Simplify right side
    14,386.76x = 247,087,689.72
  5. Step 5: Solve for x
    x = 247,087,689.72/14,386.76
  6. Step 6: Final answer
    x = 17,174.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.